linux.git/sound/core/Kconfig, branch master

ALSA: timer: remove legacy rtctimer

2016-04-25T08:41:46+00:00

There are no users of rtctimer left. Remove its code as this is the in-kernel user of the legacy PC RTC driver that will hopefully be removed at some point. Signed-off-by: Alexandre Belloni Signed-off-by: Takashi Iwai

ALSA: jack: Allow building the jack layer without input device

2016-02-23T08:03:07+00:00

Since the recent integration of kctl jack and input jack layers, we can basically build the jack layer even without input devices. That is, the jack layer itself can be built with conditional to enable the input device support or not, while the users may enable always CONFIG_SND_JACK unconditionally. For achieving it, this patch changes the following: - A new Kconfig, CONFIG_SND_JACK_INPUT_DEV, was introduced to indicate whether the jack layer supports the input device, - A few items in snd_jack struct and relevant codes are conditionally built upon CONFIG_SND_JACK_INPUT_DEV, - The users of CONFIG_SND_JACK drop the messy dependency on CONFIG_INPUT. This change also automagically fixes a potential bug in HD-audio driver Arnd reported, where the NULL or uninitialized jack instance is dereferenced. Reported-by: Arnd Bergmann Acked-by: Arnd Bergmann Signed-off-by: Takashi Iwai

ALSA: timer: fix SND_PCM_TIMER Kconfig text

2016-01-28T06:23:12+00:00

Fix spelling and typos for SND_PCM_TIMER. Signed-off-by: Randy Dunlap Signed-off-by: Takashi Iwai

ALSA: timer: add config item to export PCM timer disabling for expert

2015-10-16T12:31:38+00:00

PCM timer is not always used. For embedded device, we need an interface to disable it when it is not needed, to shrink the kernel size and memory footprint, here add CONFIG_SND_PCM_TIMER for it. When both CONFIG_SND_PCM_TIMER and CONFIG_SND_TIMER is unselected, about 25KB saving bonus we can get. Please be noted that when disabled, those stubs who using pcm timer (e.g. dmix, dsnoop & co) may work incorrectlly. Suggested-by: Takashi Iwai Signed-off-by: Jie Yang Signed-off-by: Takashi Iwai

ALSA: Kconfig: add config item SND_PROC_FS for expert

2015-05-27T19:25:17+00:00

For some embedded devices, we need reduce code size and data footprint as much as possible, e.g. disabling procfs, hw/sw params refinement, mmap, dpcm, dapm, compressed API... Here add SND_PROC_FS item for expert, we can unselect it to disable sound proc FS and reduce memory footprint. Signed-off-by: Jie Yang Reviewed-by: Mark Brown Signed-off-by: Takashi Iwai

Merge branch 'topic/hdmi' into for-next

2015-05-22T14:04:45+00:00

ALSA: pcm: add IEC958 channel status helper

2015-05-22T14:01:47+00:00

Add a helper to create the IEC958 channel status from an ALSA snd_pcm_runtime structure, taking account of the sample rate and sample size. Signed-off-by: Russell King Reviwed-by: Mark Brown Signed-off-by: Takashi Iwai

ALSA: pcm: add DRM ELD helper

2015-05-22T14:01:44+00:00

Add a helper for the EDID like data structure, which is typically passed from a HDMI adapter to its associated audio driver. This informs the audio driver of the capabilities of the attached HDMI sink. Signed-off-by: Russell King Reviewed-by: Mark Brown Signed-off-by: Takashi Iwai

ALSA: jack: implement kctl creating for jack devices

2015-04-27T19:37:40+00:00

Currently the ALSA jack core registers only input devices for each jack registered. These jack input devices are not readable by userspace devices that run as non root. This patch series will implement kctls inside the core jack part, including kctls creating, status changing report, for both HD-Audio and ASoC jack. This allows non root userspace to read jack status and act on it. This patch adds a new API called snd_jack_add_new_kctl(), which will create a kcontrol, add it to the card, and also attach it to the jack kctl list. This patch also initialises the jack kctl list after jack is newed, and reports kctl status when jack insertion/removal events occur. snd_jack_new() is updated in the following patches to also support creating phantom jacks and jack kcontrols. We then remove these duplicated features from HDA jack and have jack kctls handled by core throughout HDA and ASoC. Signed-off-by: Liam Girdwood Modified-by: Jie Yang Signed-off-by: Jie Yang Reveiwed-by: Mark Brown Signed-off-by: Takashi Iwai

ALSA: core: allow SND_DMAENGINE_PCM use from modules

2013-08-15T17:28:42+00:00

When users of SND_DMAENGINE_PCM are built as module, the config symbol SND_DMAENGINE_PCM must be tristate, otherwise the linker will fail. Signed-off-by: Daniel Mack Reported-by: Fengguang Wu Signed-off-by: Mark Brown